.flex_v_venter{
	display: flex;
	justify-content: flex-start;
	align-items: center;
}
.flex_center{
	display: flex;
	justify-content: center;
	align-items: center;
}
.flex_r_end{
	display: flex;
	justify-content: flex-end;
	align-items: center;
}
.flex_coum_center{
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}
.flex_r_between{
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.flex_r_around{
	display: flex;
	justify-content: space-around;
	align-items: center;
}